Update single-header

3 files changed, 291 insertions, 88 deletions

diff --git a/gen_inl.c b/gen_inl.c
index f924a0a..bf9eda8 100644
--- a/gen_inl.c
+++ b/gen_inl.c
@@ -14,6 +14,7 @@ char *HEADERS[] = { "source/kit/types.h",
                     "source/kit/time.h",
                     "source/kit/atomic.h",
                     "source/kit/threads.h",
+                    "source/kit/shared_memory.h",
                     "source/kit/array_ref.h",
                     "source/kit/dynamic_array.h",
                     "source/kit/string_ref.h",
@@ -34,6 +35,8 @@ char *IMPL[] = { "source/kit/allocator.c",
                  "source/kit/atomic.win32.c",
                  "source/kit/threads.posix.c",
                  "source/kit/threads.win32.c",
+                 "source/kit/shared_memory.posix.c",
+                 "source/kit/shared_memory.win32.c",
                  "source/kit/dynamic_array.c",
                  "source/kit/string_builder.c",
                  "source/kit/input_stream.c",
diff --git a/include/kit.inl.h b/include/kit.inl.h
index b83e55c..417001f 100644
--- a/include/kit.inl.h
+++ b/include/kit.inl.h
@@ -62,25 +62,29 @@ typedef double f64;
  *********************************************************************/
 #ifndef KIT_STATUS_H
 #define KIT_STATUS_H
-#ifdef __cplusplus
-extern "C" {
-#endif
 enum {
-  KIT_OK,
-  KIT_ERROR_BAD_ALLOC,
-  KIT_ERROR_MKDIR_FAILED,
-  KIT_ERROR_RMDIR_FAILED,
-  KIT_ERROR_UNLINK_FAILED,
-  KIT_ERROR_FILE_ALREADY_EXISTS,
-  KIT_ERROR_FILE_DO_NOT_EXIST,
-  KIT_ERROR_PATH_TOO_LONG,
-  KIT_ERROR_SOCKETS_STARTUP_FAILED,
-  KIT_ERROR_SOCKET_CONTROL_FAILED
+  KIT_OK                           = 0,
+  KIT_ERROR_NOT_IMPLEMENTED        = 1,
+  KIT_ERROR_BAD_ALLOC              = (1 << 1),
+  KIT_ERROR_INVALID_ARGUMENT       = (1 << 2),
+  KIT_ERROR_MKDIR_FAILED           = (1 << 3),
+  KIT_ERROR_RMDIR_FAILED           = (1 << 4),
+  KIT_ERROR_UNLINK_FAILED          = (1 << 5),
+  KIT_ERROR_FILE_ALREADY_EXISTS    = (1 << 6),
+  KIT_ERROR_FILE_DO_NOT_EXIST      = (1 << 7),
+  KIT_ERROR_PATH_TOO_LONG          = (1 << 8),
+  KIT_ERROR_SOCKETS_STARTUP_FAILED = (1 << 9),
+  KIT_ERROR_SOCKET_CONTROL_FAILED  = (1 << 10),
+  KIT_ERROR_NAME_TOO_LONG          = (1 << 11),
+  KIT_ERROR_INVALID_SIZE           = (1 << 12),
+  KIT_ERROR_INVALID_NAME           = (1 << 13),
+  KIT_ERROR_SHM_OPEN_FAILED        = (1 << 14),
+  KIT_ERROR_SHM_UNLINK_FAILED      = (1 << 15),
+  KIT_ERROR_FTRUNCATE_FAILED       = (1 << 16),
+  KIT_ERROR_MMAP_FAILED            = (1 << 17),
+  KIT_ERROR_MUNMAP_FAILED          = (1 << 18),
 };
 typedef i32 kit_status_t;
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -137,6 +141,9 @@ kit_allocator_t kit_alloc_buffer(i64 size, void *buffer);
 #  define _GNU_SOURCE
 #endif
 #include <time.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef TIME_UTC
 #  define TIME_UTC 1
 #endif
@@ -144,6 +151,9 @@ kit_allocator_t kit_alloc_buffer(i64 size, void *buffer);
 #  ifndef WIN32_LEAN_AND_MEAN
 #    define WIN32_LEAN_AND_MEAN 1
 #  endif
+#  ifndef NOMINMAX
+#    define NOMINMAX 1
+#  endif
 #  include <windows.h>
 #  define KIT_TIMESPEC_IMPL_UNIX_EPOCH_IN_TICKS 116444736000000000ull
 #  define KIT_TIMESPEC_IMPL_TICKS_PER_SECONDS 10000000ull
@@ -163,6 +173,9 @@ static int timespec_get(struct timespec *ts, int base) {
   return base;
 }
 #endif
+#ifdef __cplusplus
+}
+#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -173,14 +186,12 @@ static int timespec_get(struct timespec *ts, int base) {
 #define KIT_ATOMIC_H
 #ifndef _MSC_VER
 #  include <stdatomic.h>
-#  define KIT_ATOMIC(type_) type_ _Atomic
 #else
 #  include <assert.h>
-#  define KIT_ATOMIC(type_) type_ volatile
-#  define _Atomic volatile
 #  ifdef __cplusplus
 extern "C" {
 #  endif
+#  define _Atomic volatile
 enum {
   memory_order_relaxed,
   memory_order_consume,
@@ -343,13 +354,13 @@ u64 kit_atomic_fetch_add_explicit_64(u64 volatile *var, u64 value,
                                           memory_order_seq_cst)
 #  define atomic_fetch_add(var_, value_) \
     atomic_fetch_add(var_, value_, memory_order_seq_cst)
+#  ifdef __cplusplus
+}
+#  endif
 #endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define ATOMIC KIT_ATOMIC
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -471,6 +482,42 @@ void           thrd_yield(void);
 #endif
 /*********************************************************************
  *                                                                   *
+ *    File:   source/kit/shared_memory.h                             *
+ *                                                                   *
+ *********************************************************************/
+#ifndef KIT_SHARED_MEMORY_H
+#define KIT_SHARED_MEMORY_H
+#if !defined(_WIN32) || defined(__CYGWIN__)
+#  include <limits.h>
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef struct {
+  kit_status_t status;
+  i64          size;
+  u8          *bytes;
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  void *_handle;
+#else
+  i8   _owned;
+  i32  _fd;
+  char _name[NAME_MAX + 1];
+#endif
+} kit_shared_memory_t;
+enum {
+  KIT_SHARED_MEMORY_OPEN,
+  KIT_SHARED_MEMORY_CREATE,
+};
+kit_shared_memory_t kit_shared_memory_open(kit_str_t name, i64 size,
+                                           i32 mode);
+kit_status_t        kit_shared_memory_close(kit_shared_memory_t *mem);
+#ifdef __cplusplus
+}
+#endif
+#endif
+/*********************************************************************
+ *                                                                   *
  *    File:   source/kit/array_ref.h                                 *
  *                                                                   *
  *********************************************************************/
@@ -507,6 +554,9 @@ i8 kit_ar_compare(i64 left_element_size, i64 left_size,
                  (left_).values, sizeof((right_).values[0]), \
                  (right_).size, (right_).values,             \
                  (kit_ar_compare_fn) (compare_))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define ar_compare_fn kit_ar_compare_fn
 #  define ar_equal_bytes kit_ar_equal_bytes
@@ -516,9 +566,6 @@ i8 kit_ar_compare(i64 left_element_size, i64 left_size,
 #  define AR_EQUAL KIT_AR_EQUAL
 #  define AR_COMPARE KIT_AR_COMPARE
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -611,6 +658,9 @@ void kit_da_resize_exact(kit_da_void_t *array, i64 element_size,
       (array_).values[i_ - 1] = (array_).values[i_];  \
     KIT_DA_RESIZE((array_), (array_).size - 1);       \
   } while (0)
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define da_void_t kit_da_void_t
 #  define da_init kit_da_init
@@ -625,9 +675,6 @@ void kit_da_resize_exact(kit_da_void_t *array, i64 element_size,
 #  define DA_INSERT KIT_DA_INSERT
 #  define DA_ERASE KIT_DA_ERASE
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -641,15 +688,15 @@ void kit_da_resize_exact(kit_da_void_t *array, i64 element_size,
 extern "C" {
 #endif
 typedef KIT_AR(char) kit_str_t;
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC diagnostic push
 #  pragma GCC diagnostic ignored "-Wunused-function"
 #  pragma GCC diagnostic ignored "-Wunknown-pragmas"
 #  pragma GCC            push_options
 #  pragma GCC            optimize("O3")
 #endif
-static kit_str_t kit_str(i64 size, char *static_string) {
-  kit_str_t s = { .size = size, .values = static_string };
+static kit_str_t kit_str(i64 size, char const *static_string) {
+  kit_str_t s = { .size = size, .values = (char *) static_string };
   return s;
 }
 //  Make a barbarian string for C standard library functions.
@@ -668,7 +715,7 @@ static char *kit_make_bs(kit_str_t s) {
   index         = (index + 1) % 8;
   return result;
 }
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC            pop_options
 #  pragma GCC diagnostic pop
 #endif
@@ -731,14 +778,14 @@ extern "C" {
 #define KIT_LOWER_BOUND_REF(return_val, array, value, op) \
   KIT_LOWER_BOUND_INL(return_val, (array).size,           \
                       (op) ((array).values + index_, (value)))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define LOWER_BOUND_INL KIT_LOWER_BOUND_INL
 #  define LOWER_BOUND KIT_LOWER_BOUND
 #  define LOWER_BOUND_REF KIT_LOWER_BOUND_REF
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -777,14 +824,14 @@ extern "C" {
 #define KIT_MOVE_BACK_REF(new_size, array, value, cond) \
   KIT_MOVE_BACK_INL(new_size, array,                    \
                     (cond) ((array).values + index_, (value)))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define MOVE_BACK_INL KIT_MOVE_BACK_INL
 #  define MOVE_BACK KIT_MOVE_BACK
 #  define MOVE_BACK_REF KIT_MOVE_BACK_REF
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -804,7 +851,7 @@ extern "C" {
 typedef struct {
   u32 v[KIT_BIGINT_SIZE / 4];
 } kit_bigint_t;
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC diagnostic push
 #  pragma GCC diagnostic ignored "-Wunused-function"
 #  pragma GCC diagnostic ignored "-Wunknown-pragmas"
@@ -1223,7 +1270,7 @@ static kit_bigint_t kit_bi_from_base58(kit_str_t base58) {
   }
   return z;
 }
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC            pop_options
 #  pragma GCC diagnostic pop
 #endif
@@ -1237,6 +1284,9 @@ static kit_bigint_t kit_bi_from_base58(kit_str_t base58) {
   kit_bi_from_base32(kit_str(sizeof(static_str_) - 1, (static_str_)))
 #define KIT_BASE58(static_str_) \
   kit_bi_from_base58(kit_str(sizeof(static_str_) - 1, (static_str_)))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define bigint_t kit_bigint_t
 #  define bi_u32 kit_bi_u32
@@ -1263,9 +1313,6 @@ static kit_bigint_t kit_bi_from_base58(kit_str_t base58) {
 #  define BASE32 KIT_BASE32
 #  define BASE58 KIT_BASE58
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1291,6 +1338,9 @@ void kit_is_destroy(kit_is_handle_t in);
 #define KIT_IS_WRAP_FILE(f) kit_is_wrap_file((f), NULL)
 #define KIT_IS_READ(in, destination) \
   (in).read((in).state, (destination))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define is_read_fn kit_is_read_fn
 #  define is_handle_t kit_is_handle_t
@@ -1301,9 +1351,6 @@ void kit_is_destroy(kit_is_handle_t in);
 #  define IS_WRAP_FILE KIT_IS_WRAP_FILE
 #  define IS_READ KIT_IS_READ
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1321,14 +1368,17 @@ typedef struct {
   void             *internal;
   kit_str_builder_t data;
 } kit_ib_handle_t;
+typedef i8 (*kit_ib_read_condition_fn)(kit_str_t data);
 kit_ib_handle_t kit_ib_wrap(kit_is_handle_t  upstream,
                             kit_allocator_t *alloc);
 kit_ib_handle_t kit_ib_read(kit_ib_handle_t buf, i64 size);
-typedef int (*kit_ib_read_condition_fn)(kit_str_t data);
 kit_ib_handle_t kit_ib_read_while(kit_ib_handle_t          buf,
                                   kit_ib_read_condition_fn condition);
 void kit_ib_destroy(kit_ib_handle_t buf);
 #define KIT_IB_WRAP(upstream) kit_ib_wrap(upstream, NULL)
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define ib_handle_t kit_ib_handle_t
 #  define ib_read_condition_fn kit_ib_read_condition_fn
@@ -1338,9 +1388,6 @@ void kit_ib_destroy(kit_ib_handle_t buf);
 #  define ib_destroy kit_ib_destroy
 #  define IB_WRAP KIT_IB_WRAP
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1353,11 +1400,6 @@ void kit_ib_destroy(kit_ib_handle_t buf);
 #ifdef __cplusplus
 extern "C" {
 #endif
-#ifdef __GNUC__
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wunused-function"
-#  pragma GCC diagnostic ignored "-Wunknown-pragmas"
-#endif
 typedef struct {
   i32 _;
 } kit_af_void;
@@ -1371,6 +1413,11 @@ typedef void (*kit_af_state_machine)(void *self_void_);
 typedef struct {
   KIT_AF_STATE_DATA;
 } kit_af_type_void;
+#if defined(__GNUC__) || defined(__clang__)
+#  pragma GCC diagnostic push
+#  pragma GCC diagnostic ignored "-Wunused-function"
+#  pragma GCC diagnostic ignored "-Wunknown-pragmas"
+#endif
 #define KIT_AF_INTERNAL(coro_) (*((kit_af_type_void *) (coro_)))
 #ifdef KIT_ENABLE_CUSTOM_ASYNC_FUNCTION_DISPATCH
 /*  Application should implement this function if custom async
@@ -1386,7 +1433,7 @@ static void kit_async_function_dispatch(void *promise) {
   KIT_AF_INTERNAL(promise)._state_machine(promise);
 }
 #endif
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC diagnostic pop
 #endif
 #define KIT_AF_STATE(ret_type_, name_, ...) \
@@ -1504,6 +1551,9 @@ static void kit_async_function_dispatch(void *promise) {
 #define KIT_AF_FINISHED_ALL(return_, promises_) \
   KIT_AF_FINISHED_N((return_), (promises_),     \
                     sizeof(promises_) / sizeof((promises_)[0]))
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define af_void kit_af_void
 #  define af_state_machine kit_af_state_machine
@@ -1535,9 +1585,6 @@ static void kit_async_function_dispatch(void *promise) {
 #  define AF_FINISHED_N KIT_AF_FINISHED_N
 #  define AF_FINISHED_ALL KIT_AF_FINISHED_ALL
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1549,6 +1596,21 @@ static void kit_async_function_dispatch(void *promise) {
 #ifdef __cplusplus
 extern "C" {
 #endif
+typedef enum {
+  KIT_PATH_NONE,
+  KIT_PATH_FILE,
+  KIT_PATH_FOLDER
+} kit_path_type_t;
+typedef struct {
+  kit_status_t status;
+  i64 time_modified_sec;
+  i32 time_modified_nsec;
+  i64 size;
+} kit_file_info_t;
+typedef struct {
+  kit_status_t status;
+  KIT_DA(kit_str_builder_t) files;
+} kit_path_list_t;
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #  define KIT_PATH_DELIM_C '\\'
 #  define KIT_PATH_DELIM "\\"
@@ -1572,26 +1634,14 @@ kit_status_t kit_file_remove(kit_str_t path);
 kit_status_t kit_file_remove_folder(kit_str_t path);
 kit_status_t kit_file_remove_recursive(kit_str_t        path,
                                        kit_allocator_t *alloc);
-typedef enum {
-  KIT_PATH_NONE,
-  KIT_PATH_FILE,
-  KIT_PATH_FOLDER
-} kit_path_type_t;
 kit_path_type_t kit_path_type(kit_str_t path);
-typedef struct {
-  kit_status_t status;
-  i64 time_modified_sec;
-  i32 time_modified_nsec;
-  i64 size;
-} kit_file_info_t;
 kit_file_info_t kit_file_info(kit_str_t path);
-typedef struct {
-  kit_status_t status;
-  KIT_DA(kit_str_builder_t) files;
-} kit_path_list_t;
 kit_path_list_t kit_file_enum_folder(kit_str_t        path,
                                      kit_allocator_t *alloc);
 void kit_path_list_destroy(kit_path_list_t list);
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define path_norm kit_path_norm
 #  define path_join kit_path_join
@@ -1619,9 +1669,6 @@ void kit_path_list_destroy(kit_path_list_t list);
 #  define PATH_FILE KIT_PATH_FILE
 #  define PATH_FOLDER KIT_PATH_FOLDER
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1645,6 +1692,9 @@ void kit_mt64_init_array(kit_mt64_state_t *state, i64 size,
 void kit_mt64_init(kit_mt64_state_t *state, u64 seed);
 void kit_mt64_rotate(kit_mt64_state_t *state);
 u64  kit_mt64_generate(kit_mt64_state_t *state);
+#ifdef __cplusplus
+}
+#endif
 #ifndef KIT_DISABLE_SHORT_NAMES
 #  define mt64_state_t kit_mt64_state_t
 #  define mt64_init_array kit_mt64_init_array
@@ -1652,9 +1702,6 @@ u64  kit_mt64_generate(kit_mt64_state_t *state);
 #  define mt64_rotate kit_mt64_rotate
 #  define mt64_generate kit_mt64_generate
 #endif
-#ifdef __cplusplus
-}
-#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -1667,12 +1714,12 @@ u64  kit_mt64_generate(kit_mt64_state_t *state);
 extern "C" {
 #endif
 void kit_secure_random(i64 size, void *data);
-#ifndef KIT_DISABLE_SHORT_NAMES
-#  define secure_random kit_secure_random
-#endif
 #ifdef __cplusplus
 }
 #endif
+#ifndef KIT_DISABLE_SHORT_NAMES
+#  define secure_random kit_secure_random
+#endif
 #endif
 /*********************************************************************
  *                                                                   *
@@ -2391,6 +2438,9 @@ void thrd_yield(void) {
 #    ifndef WIN32_LEAN_AND_MEAN
 #      define WIN32_LEAN_AND_MEAN 1
 #    endif
+#    ifndef NOMINMAX
+#      define NOMINMAX
+#    endif
 #    include <windows.h>
 /*
 Configuration macro:
@@ -2712,6 +2762,157 @@ void thrd_yield(void) {
 #endif
 /*********************************************************************
  *                                                                   *
+ *    File:   source/kit/shared_memory.posix.c                       *
+ *                                                                   *
+ *********************************************************************/
+#if !defined(_WIN32) || defined(__CYGWIN__)
+#  include <stdio.h>
+#  include <string.h>
+#  include <sys/mman.h>
+#  include <sys/stat.h>
+#  include <fcntl.h>
+#  include <unistd.h>
+#  include <assert.h>
+kit_shared_memory_t kit_shared_memory_open(kit_str_t name, i64 size,
+                                           i32 mode) {
+  kit_shared_memory_t mem;
+  memset(&mem, 0, sizeof mem);
+  assert(size > 0);
+  assert(name.size > 0);
+  assert(name.size + 1 <= NAME_MAX);
+  assert(name.values != NULL);
+  if (size <= 0) {
+    mem.status = KIT_ERROR_INVALID_SIZE;
+    return mem;
+  }
+  if (name.size <= 0) {
+    mem.status = KIT_ERROR_INVALID_NAME;
+    return mem;
+  }
+  if (name.size + 1 > NAME_MAX) {
+    mem.status = KIT_ERROR_NAME_TOO_LONG;
+    return mem;
+  }
+  for (i64 i = 0; i < name.size; i++)
+    if (name.values[i] == '/' || name.values[i] == '\\') {
+      mem.status = KIT_ERROR_INVALID_NAME;
+      return mem;
+    }
+  mem._name[0] = '/';
+  memcpy(mem._name + 1, name.values, name.size);
+  mem._name[1 + name.size] = '\0';
+  i32 fd = shm_open(mem._name,
+                    mode == KIT_SHARED_MEMORY_CREATE
+                        ? O_RDWR | O_CREAT | O_EXCL
+                        : O_RDWR,
+                    mode == KIT_SHARED_MEMORY_CREATE ? 0660 : 0);
+  if (fd == -1) {
+    mem.status = KIT_ERROR_SHM_OPEN_FAILED;
+    return mem;
+  }
+  if (mode == KIT_SHARED_MEMORY_CREATE && ftruncate(fd, size) == -1) {
+    shm_unlink(mem._name);
+    assert(0);
+    mem.status = KIT_ERROR_FTRUNCATE_FAILED;
+    return mem;
+  }
+  void *p = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd,
+                 0);
+  if (p == MAP_FAILED) {
+    shm_unlink(mem._name);
+    assert(0);
+    mem.status = KIT_ERROR_MMAP_FAILED;
+    return mem;
+  }
+  mem.status = KIT_OK;
+  mem.size   = size;
+  mem.bytes  = (u8 *) p;
+  mem._owned = (mode == KIT_SHARED_MEMORY_CREATE);
+  mem._fd    = fd;
+  return mem;
+}
+kit_status_t kit_shared_memory_close(kit_shared_memory_t *mem) {
+  assert(mem != NULL);
+  if (mem == NULL)
+    return KIT_ERROR_INVALID_ARGUMENT;
+  kit_status_t status = KIT_OK;
+  if (munmap(mem->bytes, mem->size) != 0)
+    status |= KIT_ERROR_MUNMAP_FAILED;
+  if (mem->_owned && shm_unlink(mem->_name) != 0)
+    status |= KIT_ERROR_UNLINK_FAILED;
+  return status;
+}
+#endif
+/*********************************************************************
+ *                                                                   *
+ *    File:   source/kit/shared_memory.win32.c                       *
+ *                                                                   *
+ *********************************************************************/
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#  ifndef WIN32_LEAN_AND_MEAN
+#    define WIN32_LEAN_AND_MEAN
+#  endif
+#  ifndef NOMINMAX
+#    define NOMINMAX
+#  endif
+#  include <windows.h>
+kit_shared_memory_t kit_shared_memory_open(kit_str_t name, i64 size,
+                                           i32 mode) {
+  kit_shared_memory_t mem;
+  memset(&mem, 0, sizeof mem);
+  char buf[264] = "Global\\";
+  assert(size > 0);
+  assert(name.size > 0);
+  assert(name.size + 8 < sizeof buf);
+  assert(name.values != NULL);
+  if (name.size <= 0) {
+    mem.status = KIT_ERROR_INVALID_NAME;
+    return mem;
+  }
+  if (name.size + 8 >= sizeof buf) {
+    mem.status = KIT_ERROR_NAME_TOO_LONG;
+    return mem;
+  }
+  for (i64 i = 0; i < name.size; i++)
+    if (name.values[i] == '/' || name.values[i] == '\\') {
+      mem.status = KIT_ERROR_INVALID_NAME;
+      return mem;
+    }
+  memcpy(buf + 7, name.values, name.size);
+  buf[7 + name.size] = '\0';
+  HANDLE h = mode == KIT_SHARED_MEMORY_CREATE
+                 ? CreateFileMappingA(INVALID_HANDLE_VALUE, NULL,
+                                      PAGE_READWRITE, 0, size, buf)
+                 : OpenFileMappingA(FILE_MAP_ALL_ACCESS, 0, buf);
+  if (h == NULL) {
+    mem.status = KIT_ERROR_SHM_OPEN_FAILED;
+    return mem;
+  }
+  void *p = MapViewOfFile(h, FILE_MAP_ALL_ACCESS, 0, 0, size);
+  assert(p != NULL);
+  if (p == NULL) {
+    CloseHandle(h);
+    mem.status = KIT_ERROR_MMAP_FAILED;
+    return mem;
+  }
+  mem.status  = KIT_OK;
+  mem.size    = size;
+  mem.bytes   = (u8 *) p;
+  mem._handle = h;
+  return mem;
+}
+kit_status_t kit_shared_memory_close(kit_shared_memory_t *mem) {
+  assert(mem != NULL);
+  i32 status = KIT_OK;
+  if (!UnmapViewOfFile(mem->bytes))
+    status |= KIT_ERROR_MUNMAP_FAILED;
+  if (!CloseHandle(mem->_handle))
+    status |= KIT_ERROR_UNLINK_FAILED;
+  return status;
+}
+#endif
+/*********************************************************************
+ *                                                                   *
  *    File:   source/kit/dynamic_array.c                             *
  *                                                                   *
  *********************************************************************/
@@ -3312,8 +3513,8 @@ kit_file_info_t kit_file_info(kit_str_t path) {
   if (f != INVALID_HANDLE_VALUE) {
     FILETIME ft;
     if (GetFileTime(f, NULL, NULL, &ft) != 0) {
-      ui64 nsec100 = (((ui64) ft.dwHighDateTime) << 32) |
-                     (ui64) ft.dwLowDateTime;
+      i64 nsec100 = (((u64) ft.dwHighDateTime) << 32) |
+                    (u64) ft.dwLowDateTime;
       result.time_modified_sec  = (i64) (nsec100 / 10000000);
       result.time_modified_nsec = (i32) (100 * (nsec100 % 10000000));
     } else {
@@ -3321,7 +3522,7 @@ kit_file_info_t kit_file_info(kit_str_t path) {
     }
     DWORD high;
     DWORD low = GetFileSize(f, &high);
-    result.size   = (i64) ((((ui64) high) << 32) | (ui64) low);
+    result.size   = (i64) ((((u64) high) << 32) | (u64) low);
     result.status = KIT_OK;
     CloseHandle(f);
     return result;
@@ -3495,7 +3696,7 @@ void kit_secure_random(i64 size, void *data) {
   if (size <= 0 || data == NULL)
     return;
 #if defined(_WIN32) && !defined(__CYGWIN__)
-  HCRYPTPROV prov = NULL;
+  HCRYPTPROV prov = 0;
   if (!CryptAcquireContextW(&prov, NULL, NULL, PROV_RSA_FULL,
                             CRYPT_VERIFYCONTEXT | CRYPT_SILENT) ||
       !CryptGenRandom(prov, (DWORD) size, (BYTE *) data) ||
diff --git a/source/kit/shared_memory.h b/source/kit/shared_memory.h
index 811bd0b..fc9a082 100644
--- a/source/kit/shared_memory.h
+++ b/source/kit/shared_memory.h
@@ -2,7 +2,6 @@
 #define KIT_SHARED_MEMORY_H
 
 #include "status.h"
-#include "allocator.h"
 #include "string_ref.h"
 
 #if !defined(_WIN32) || defined(__CYGWIN__)